Charset: imported cs2cs from Sherlock, does not compile yet

diff --git a/charset/cs2cs.c b/charset/cs2cs.c
new file mode 100644 (file)
index 0000000..2593165
--- /dev/null
+++ b/charset/cs2cs.c
@@ -0,0 +1,64 @@
+/*
+ *     Simple character set convertor
+ *
+ *     (c) 1998 Pavel Machek <pavel@ucw.cz>
+ *     (c) 2003 Martin Mares <mj@ucw.cz>
+ *
+ *     This software may be freely distributed and used according to the terms
+ *     of the GNU General Public License.
+ */
+
+#include "sherlock/sherlock.h"
+#include "charset/charconv.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifdef TEST
+#define BUFSIZE 13
+#else
+#define BUFSIZE 4096
+#endif
+
+int
+main(int argc, char **argv)
+{
+  struct conv_context ctxt;
+  int ch_from, ch_to, n, flags;
+  char inbuf[BUFSIZE], outbuf[BUFSIZE];
+
+  if (argc != 3)
+    die("cs2cs in-charset out-charset");
+  conv_init(&ctxt);
+  ch_from = find_charset_by_name(argv[1]);
+  if (ch_from < 0)
+    die("Unknown charset %s", argv[1]);
+  ch_to = find_charset_by_name(argv[2]);
+  if (ch_to < 0)
+    die("Unknown charset %s", argv[2]);
+
+  conv_set_charset(&ctxt, ch_from, ch_to);
+  while ((n = read(0, inbuf, sizeof(inbuf))) > 0)
+    {
+      ctxt.source = inbuf;
+      ctxt.source_end = inbuf + n;
+      ctxt.dest = ctxt.dest_start = outbuf;
+      ctxt.dest_end = outbuf + sizeof(outbuf);
+      do
+       {
+         flags = conv_run(&ctxt);
+         if (flags & (CONV_SOURCE_END | CONV_DEST_END))
+           {
+             int w = write(1, ctxt.dest_start, ctxt.dest - ctxt.dest_start);
+             if (w < 0)
+               die("write error: %m");
+             ctxt.dest = outbuf;
+           }
+       }
+      while (! (flags & CONV_SOURCE_END));
+    }
+  if (n < 0)
+    die("read error: %m");
+  return 0;
+}